Finding the Fourth Proportional to 3,820.47, 5,268.25 and 2,827.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.47 : 5,268.25 = 2,827.83 : x
2. Step 2: Convert to fraction form
   3,820.47/5,268.25 = 2,827.83/x
3. Step 3: Cross multiply
   3,820.47x = 5,268.25 × 2,827.83
4. Step 4: Simplify right side
   3,820.47x = 14,897,715.40
5. Step 5: Solve for x
   x = 14,897,715.40/3,820.47
6. Step 6: Final answer
   x = 3,899.45